PASAR API
Free but you must register for an authentication GUID (token); SOAP plus limited JSON; ABN and name search.
View docs ↗ More Auth & identity APIs# ABN Lookup ~ Australian Business Register search needs an access token ~ get yours at: # https://abr.business.gov.au/Documentation/Default curl 'https://abr.business.gov.au/json' \ -H 'Authorization: Bearer YOUR_TOKEN'
I'm integrating a Australia API into my app. API: ABN Lookup ~ Australian Business Register search Provider: Australian Business Register (ATO) Auth: requires an access token (sign up: https://abr.business.gov.au/Documentation/Default) Pricing: free Base URL: https://abr.business.gov.au/json Important note: Free but you must register for an authentication GUID (token); SOAP plus limited JSON; ABN and name search. Source: Australian Business Register (ATO) (https://abr.business.gov.au/Documentation/Default) Source type: Official open-data catalogue Endpoint type: Open-data catalogue JSON Integration difficulty: Needs token Last checked: 2026-07-05 Production caveat: Keep credentials server-side and confirm current limits, pricing, and webhook/error behaviour in the provider docs. Help me set up the correct onboarding/authentication path and make the first valid request ~ explain exactly where credentials go and what must happen before production.